mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-09-07 02:31:59 +00:00
Merge pull request #4166 from matrix-org/erikj/drop_unknown_events
Drop incoming events from federation for unknown rooms
This commit is contained in:
commit
db5a1c059a
1
changelog.d/4165.misc
Normal file
1
changelog.d/4165.misc
Normal file
@ -0,0 +1 @@
|
||||
Drop incoming events from federation for unknown rooms
|
@ -162,8 +162,30 @@ class FederationServer(FederationBase):
|
||||
p["age_ts"] = request_time - int(p["age"])
|
||||
del p["age"]
|
||||
|
||||
# We try and pull out an event ID so that if later checks fail we
|
||||
# can log something sensible. We don't mandate an event ID here in
|
||||
# case future event formats get rid of the key.
|
||||
possible_event_id = p.get("event_id", "<Unknown>")
|
||||
|
||||
# Now we get the room ID so that we can check that we know the
|
||||
# version of the room.
|
||||
room_id = p.get("room_id")
|
||||
if not room_id:
|
||||
logger.info(
|
||||
"Ignoring PDU as does not have a room_id. Event ID: %s",
|
||||
possible_event_id,
|
||||
)
|
||||
continue
|
||||
|
||||
try:
|
||||
# In future we will actually use the room version to parse the
|
||||
# PDU into an event.
|
||||
yield self.store.get_room_version(room_id)
|
||||
except NotFoundError:
|
||||
logger.info("Ignoring PDU for unknown room_id: %s", room_id)
|
||||
continue
|
||||
|
||||
event = event_from_pdu_json(p)
|
||||
room_id = event.room_id
|
||||
pdus_by_room.setdefault(room_id, []).append(event)
|
||||
|
||||
pdu_results = {}
|
||||
|
@ -202,27 +202,22 @@ class FederationHandler(BaseHandler):
|
||||
self.room_queues[room_id].append((pdu, origin))
|
||||
return
|
||||
|
||||
# If we're no longer in the room just ditch the event entirely. This
|
||||
# is probably an old server that has come back and thinks we're still
|
||||
# in the room (or we've been rejoined to the room by a state reset).
|
||||
# If we're not in the room just ditch the event entirely. This is
|
||||
# probably an old server that has come back and thinks we're still in
|
||||
# the room (or we've been rejoined to the room by a state reset).
|
||||
#
|
||||
# If we were never in the room then maybe our database got vaped and
|
||||
# we should check if we *are* in fact in the room. If we are then we
|
||||
# can magically rejoin the room.
|
||||
# Note that if we were never in the room then we would have already
|
||||
# dropped the event, since we wouldn't know the room version.
|
||||
is_in_room = yield self.auth.check_host_in_room(
|
||||
room_id,
|
||||
self.server_name
|
||||
)
|
||||
if not is_in_room:
|
||||
was_in_room = yield self.store.was_host_joined(
|
||||
pdu.room_id, self.server_name,
|
||||
logger.info(
|
||||
"[%s %s] Ignoring PDU from %s as we're not in the room",
|
||||
room_id, event_id, origin,
|
||||
)
|
||||
if was_in_room:
|
||||
logger.info(
|
||||
"[%s %s] Ignoring PDU from %s as we've left the room",
|
||||
room_id, event_id, origin,
|
||||
)
|
||||
defer.returnValue(None)
|
||||
defer.returnValue(None)
|
||||
|
||||
state = None
|
||||
auth_chain = []
|
||||
@ -557,86 +552,54 @@ class FederationHandler(BaseHandler):
|
||||
room_id, event_id, event,
|
||||
)
|
||||
|
||||
# FIXME (erikj): Awful hack to make the case where we are not currently
|
||||
# in the room work
|
||||
# If state and auth_chain are None, then we don't need to do this check
|
||||
# as we already know we have enough state in the DB to handle this
|
||||
# event.
|
||||
if state and auth_chain and not event.internal_metadata.is_outlier():
|
||||
is_in_room = yield self.auth.check_host_in_room(
|
||||
room_id,
|
||||
self.server_name
|
||||
)
|
||||
else:
|
||||
is_in_room = True
|
||||
event_ids = set()
|
||||
if state:
|
||||
event_ids |= {e.event_id for e in state}
|
||||
if auth_chain:
|
||||
event_ids |= {e.event_id for e in auth_chain}
|
||||
|
||||
seen_ids = yield self.store.have_seen_events(event_ids)
|
||||
|
||||
if state and auth_chain is not None:
|
||||
# If we have any state or auth_chain given to us by the replication
|
||||
# layer, then we should handle them (if we haven't before.)
|
||||
|
||||
event_infos = []
|
||||
|
||||
for e in itertools.chain(auth_chain, state):
|
||||
if e.event_id in seen_ids:
|
||||
continue
|
||||
e.internal_metadata.outlier = True
|
||||
auth_ids = e.auth_event_ids()
|
||||
auth = {
|
||||
(e.type, e.state_key): e for e in auth_chain
|
||||
if e.event_id in auth_ids or e.type == EventTypes.Create
|
||||
}
|
||||
event_infos.append({
|
||||
"event": e,
|
||||
"auth_events": auth,
|
||||
})
|
||||
seen_ids.add(e.event_id)
|
||||
|
||||
if not is_in_room:
|
||||
logger.info(
|
||||
"[%s %s] Got event for room we're not in",
|
||||
room_id, event_id,
|
||||
"[%s %s] persisting newly-received auth/state events %s",
|
||||
room_id, event_id, [e["event"].event_id for e in event_infos]
|
||||
)
|
||||
yield self._handle_new_events(origin, event_infos)
|
||||
|
||||
try:
|
||||
yield self._persist_auth_tree(
|
||||
origin, auth_chain, state, event
|
||||
)
|
||||
except AuthError as e:
|
||||
raise FederationError(
|
||||
"ERROR",
|
||||
e.code,
|
||||
e.msg,
|
||||
affected=event_id,
|
||||
)
|
||||
|
||||
else:
|
||||
event_ids = set()
|
||||
if state:
|
||||
event_ids |= {e.event_id for e in state}
|
||||
if auth_chain:
|
||||
event_ids |= {e.event_id for e in auth_chain}
|
||||
|
||||
seen_ids = yield self.store.have_seen_events(event_ids)
|
||||
|
||||
if state and auth_chain is not None:
|
||||
# If we have any state or auth_chain given to us by the replication
|
||||
# layer, then we should handle them (if we haven't before.)
|
||||
|
||||
event_infos = []
|
||||
|
||||
for e in itertools.chain(auth_chain, state):
|
||||
if e.event_id in seen_ids:
|
||||
continue
|
||||
e.internal_metadata.outlier = True
|
||||
auth_ids = e.auth_event_ids()
|
||||
auth = {
|
||||
(e.type, e.state_key): e for e in auth_chain
|
||||
if e.event_id in auth_ids or e.type == EventTypes.Create
|
||||
}
|
||||
event_infos.append({
|
||||
"event": e,
|
||||
"auth_events": auth,
|
||||
})
|
||||
seen_ids.add(e.event_id)
|
||||
|
||||
logger.info(
|
||||
"[%s %s] persisting newly-received auth/state events %s",
|
||||
room_id, event_id, [e["event"].event_id for e in event_infos]
|
||||
)
|
||||
yield self._handle_new_events(origin, event_infos)
|
||||
|
||||
try:
|
||||
context = yield self._handle_new_event(
|
||||
origin,
|
||||
event,
|
||||
state=state,
|
||||
)
|
||||
except AuthError as e:
|
||||
raise FederationError(
|
||||
"ERROR",
|
||||
e.code,
|
||||
e.msg,
|
||||
affected=event.event_id,
|
||||
)
|
||||
try:
|
||||
context = yield self._handle_new_event(
|
||||
origin,
|
||||
event,
|
||||
state=state,
|
||||
)
|
||||
except AuthError as e:
|
||||
raise FederationError(
|
||||
"ERROR",
|
||||
e.code,
|
||||
e.msg,
|
||||
affected=event.event_id,
|
||||
)
|
||||
|
||||
room = yield self.store.get_room(room_id)
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user